PWM Controllers | McMaster-Carr

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Nano 33 BLE Sense Rev2

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47 Products

Development Boards

Prototype electronics and build simple automation systems with the configurable inputs and outputs on these boards. Monitor both digital and analog devices, including proximity and temperature sensors, and control basic outputs, such as changing the speed of a servomotor or turning LEDs on and off. Their open-source software makes programming and troubleshooting convenient. Choose a board whose operating voltage can support the other devices you’re connecting to.

Single Core Arduino Boards

Image of Product. Front orientation. Development Boards. Single Core.

Development Board With Headers—Boards with headers are good for making quick connections. Plug them in directly to breadboards, or connect them using jumper wire.

Development Board Without Headers—Boards without headers require making your own soldered connections. Use them for permanent or long-term installations.

			No. of Configurable Inputs/Output									Development Board With Headers		Development Board Without Headers
Mfr. Model No.	Operating Voltage, V DC	Electrical Connection	Total	Digital (Input/Output)	PWM (Output)	Analog (Input)	Analog (Output)	Lg.	Wd.	Features	Cannot Be Sold To		Each		Each
Uno Wi-Fi Rev4	5	USB-C, Bluetooth, Wi-Fi	20	20/20	6	6	—	2 1/8"	2 3/4"	USB HID Emulation 12 × 8 LED Matrix	—	1387N302	000000	———	0
Uno Minima Rev4	5	USB-C	20	20/20	6	6	—	2 1/8"	2 3/4"	USB HID Emulation	—	1387N301	00000	———	0
Uno Rev3	5	USB-B	20	20/20	6	6	—	2 11/16"	2 1/8"	—	—	1387N11	00000	———	0
Uno Wi-Fi Rev2	5	USB-B, Bluetooth, Wi-Fi	20	20/20	5	6	—	2 11/16"	2 1/8"	—	—	1387N12	00000	———	0
Leonardo	5	Micro USB-B	20	20/20	7	12	—	2 11/16"	2 1/8"	USB HID Emulation	—	1387N15	00000	1387N14	000000
Micro	5	Micro USB-B	20	20/20	7	12	—	1 7/8"	3/4"	USB HID Emulation	—	1387N31	00000	1387N29	00000
MKR Wi-Fi 1010	3.3	Micro USB-B, Bluetooth, , Wi-Fi	22	22/22	13	7	1	2 7/16"	1"	—	—	1387N24	00000	———	0
Nano Every	5	Micro USB-B	22	22/22	5	8	—	1 3/4"	3/4"	—	—	1387N33	00000	1387N32	00000
Nano Matter	3.3	USB-C, Bluetooth	22	22/22	22	8	4	1 11/16"	11/16"	—	—	1387N514	00000	———	0
Nano 33 BLE Rev2	3	Micro USB-B, Bluetooth	22	22/22	14	8	—	1 3/4"	3/4"	3-axis IMU 6-axis IMU	Outside United States	1387N47	00000	1387N46	00000
Nano 33 BLE Sense Rev2	3.3	Micro USB-B, Bluetooth	22	22/22	14	8	—	1 3/4"	3/4"	9-axis IMU Humidity/Temperature Sensor Barometric Sensor Proximity/Light Sensor Embedded Artificial Intelligence Microphone	—	1387N39	00000	1387N38	00000
Mega 2560 Rev3	5	USB-B	54	54/54	15	16	—	4"	2 1/8"	—	—	1387N16	00000	———	0
Due	3.3	Micro USB-AB	54	54/54	12	12	2	4"	2 1/8"	—	—	1387N18	00000	———	0

Dual Core Arduino Boards

Image of Product. Front orientation. Development Boards. Dual Core.

Dual-core development boards give you triple the processing speed of other development boards. Each core can be run individually, so these boards can be used for complex automation jobs.

Development Board With Headers—Boards with headers are good for making quick connections. Plug them in directly to breadboards, or connect them using jumper wire.

Development Board Without Headers—Boards without headers require making your own soldered connections. Use them for permanent or long-term installations.

			No. of Configurable Inputs/Output									Development Board With Headers		Development Board Without Headers
Mfr. Model No.	Operating Voltage, V DC	Electrical Connection	Total	Digital (Input/Output)	PWM (Output)	Analog (Input)	Analog (Output)	PDM (Input)	Lg.	Wd.	Features		Each		Each
Giga Wi-Fi Rev1	3.3	USB-A, USB-C, Bluetooth, Wi-Fi, 3.5 mm Audio	90	84/78	13	12	2	—	4"	2 1/8"	USB HID Emulation	1387N303	000000	———	0
Portenta H7 Lite	3.3	USB-A, USB-C, DSI, RJ45	82	78/78	10	8	1	3	6 7/16"	2 13/16"	8-bit camera interface	———	0	1387N612	0000000
Portenta H7	3.3	USB-A, USB-C, Bluetooth, Wi-Fi, DSI, RJ45	82	78/78	10	8	1	3	6 7/16"	2 13/16"	Display port via USB-C 8-bit camera interface Antenna (U.FL) connector	———	0	1387N611	000000

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s digital inputs and outputs. These computers are faster than development boards and also have more memory, so they’re able to run multiple applications simultaneously. Use them to prototype or program complex automation jobs, such as controlling the movements of a robot arm or livestreaming video from a remote facility. About the size of a credit card, they easily mount inside control cabinets.

These computers run on a Linux-based operating system. To program, download an operating system onto a micro SD card (not included) and then transfer it to the single-board computer.

Use sets to start prototyping automation systems.

Sold Individually

			Connection Type
	Mfr. Model No.	Memory Size	Wi-Fi Std.	Bluetooth Std.	Ethernet (No. of)	USB (No. of)	HDMI (No. of)	MIPI (No. of)	Clock Speed, GHz	Lg.	Wd.		Each
Raspberry Pi 5



		5 4GB	4 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI/CSI (2)	2.4	3 3/8"	2 3/16"	4284N201	000000


		5 8GB	8 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI/CSI (2)	2.4	3 3/8"	2 3/16"	4284N202	000000


		Raspberry Pi 4



				4 B 2GB	2 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N11	00000


				4 B 4GB	4 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N12	00000
				4 B 8GB	8 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N13	000000


				Raspberry Pi 3



						3 A+	512 MB	802.11ac/802.11b/802.11g/802.11n	4.2	—	Micro USB-B 2.0 (1)	Standard HDMI (1)	DSI (1), CSI (1)	1.4	2 9/16"	2 3/16"	4284N14	00000


						3 B+	1 GB	802.11ac/802.11b/802.11g/802.11n	4.2	RJ45 (1)	USB-A 2.0 (4)	Standard HDMI (1)	DSI (1), CSI (1)	1.4	3 3/8"	2 3/16"	4284N15	00000


						Raspberry Pi Zero



								Zero W	512 MB	802.11b/802.11g/802.11n	4.1	—	Micro USB-B 2.0 (1)	Mini HDMI (1)	CSI (1)	1	2 5/8"	1 1/4"	4284N16	00000

Accessories for Single-Board Computers

Active Coolers for Raspberry Pi 5

Image of Product. Front orientation. Active Coolers.

Active coolers have an aluminum heatsink with a temperature-controlled fan to keep your Raspberry Pi 5 running cool.

Voltage, V DC	Max. Rotation Speed, rpm	Heat Sink Material	Mount Type		Each
5	8,000	Aluminum	Adhesive Back	4284N205	000000

Real-Time Clock Batteries for Raspberry Pi 5

Real-time clock batteries are rechargeable and connect to your Raspberry Pi 5 to power the board’s real-time clock when disconnected from the main power supply.

	Battery
Voltage, V DC	Cap., mA·h	Chemistry	Type	Mount Type		Each
3	45	Lithium	Rechargeable	Adhesive Back	4284N206	00000

Sold as Sets

5 Pieces—5-piece sets come with the basic hardware needed to get the computer up and running. Use them to run local and web-based applications for your system.

94 Pieces, 96 Pieces, and 97 Pieces—94-, 96-, and 97-piece sets include all of the hardware in the 5-piece sets, as well as some electrical components. Use the components to prototype your physical system, which might incorporate temperature and pressure sensors (not included) using the Qwiic adapter, push button controls, and LED indicators.

					Connection Type
	No. of Pieces	Mfr. Model No.	Includes	Memory Size	Wi-Fi Std.	Bluetooth Std.	Ethernet (No. of)	USB (No. of)	HDMI (No. of)	MIPI (No. of)	Clock Speed, GHz	Lg.	Wd.		Each
Raspberry Pi 5



		5	5 4GB	One Raspberry Pi 5 4GB One 64 GB Micro SD Card One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One Qwiic Adapter	4 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI/CSI (2)	2.4	3 3/8"	2 3/16"	4284N203	0000000


		5	5 8GB	One Raspberry Pi 5 8GB One 64 GB Micro SD Card One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One Qwiic Adapter	8 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI/CSI (2)	2.4	3 3/8"	2 3/16"	4284N204	000000


		Raspberry Pi 4



				5	4 B 2GB	One Raspberry Pi 4 B 2GB One 64 GB Micro SD Card One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One Qwiic Adapter	2 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N25	000000


				5	4 B 4GB	One Raspberry Pi 4 B 4GB One 64 GB Micro SD Card One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One Qwiic Adapter	4 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N26	000000
				5	4 B 8GB	One Raspberry Pi 4 B 8GB One 64 GB Micro SD Card One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One Qwiic Adapter	8 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N27	000000
				96	4 B 4GB	One Raspberry Pi 4 B 4GB One 64 GB Micro SD Card One 6 ft. Long USB-A to USB Mini-B Cord One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One 6" Long 40-Pin Ribbon Cable One 2 × 20 Pin Male/Female Header One Qwiic Adapter One Programming Module One Breadboard One Breadboard Adapter One Black Case Four Buttons 10 Male/Female Jumper Wires 30 Male/Male Jumper Wires 20 LEDs 20 Resistors	4 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N23	000000
				97	4 B 8GB	One Raspberry Pi 4 B 8GB One 64 GB Micro SD Card One 3-ft Long USB-C to USB-C Cord One 6 ft. Long USB-A to USB Mini-B Cord One 3-ft Long HDMI to Micro HDMI Cord One USB-C Power Supply with Two-Prong Plug One 6" Long 40-Pin Ribbon Cable One 2 × 20 Pin Male/Female Header One Qwiic Adapter One Programming Module One Breadboard One Breadboard Adapter One Black Case Four Buttons 10 Male/Female Jumper Wires 30 Male/Male Jumper Wires 20 LEDs 20 Resistors	8 GB	802.11ac/802.11b/802.11g/802.11n	5.0	RJ45 (1)	USB-A 3.0 (2), USB-A 2.0 (2)	Micro HDMI (2)	DSI (1), CSI (1)	1.5	3 3/8"	2 3/16"	4284N24	000000


				Raspberry Pi 3



						94	3 B+	One Raspberry Pi 3 B+ One 64 GB Micro SD Card One Micro SD Card Reader One 6 ft. Long USB-A to USB Mini-B Cord One Micro USB Power Supply with Two-Prong Plug One 6" Long 40-Pin Ribbon Cable One Programming Module One Breadboard One Breadboard Adapter One Black Case Four Buttons 10 Male/Female Jumper Wires 30 Male/Male Jumper Wires 20 LEDs 20 Resistors	1 GB	802.11ac/802.11b/802.11g/802.11n	4.2	RJ45 (1)	USB-A 2.0 (4)	Standard HDMI (1)	DSI (1), CSI (1)	1.4	3 3/8"	2 3/16"	4284N32	000000


						Raspberry Pi Zero



								5	Zero W	One Raspberry Pi Zero W One 64 GB Micro SD Card One 5" Long USB-A to Micro USB Cord One 3-ft Long HDMI to Mini HDMI Cord One Micro USB Power Supply with Two-Prong Plug	512 MB	802.11b/802.11g/802.11n	4.1	—	Micro USB-B 2.0 (1)	Mini HDMI (1)	CSI (1)	1	2 5/8"	1 1/4"	4284N33	00000

Accessories for Single-Board Computers

Active Coolers for Raspberry Pi 5

Active coolers have an aluminum heatsink with a temperature-controlled fan to keep your Raspberry Pi 5 running cool.

Voltage, V DC	Max. Rotation Speed, rpm	Heat Sink Material	Mount Type		Each
5	8,000	Aluminum	Adhesive Back	4284N205	000000

Real-Time Clock Batteries for Raspberry Pi 5

Real-time clock batteries are rechargeable and connect to your Raspberry Pi 5 to power the board’s real-time clock when disconnected from the main power supply.

	Battery
Voltage, V DC	Cap., mA·h	Chemistry	Type	Mount Type		Each
3	45	Lithium	Rechargeable	Adhesive Back	4284N206	00000

Mini Development Boards

Often used for rapid prototyping of electronic systems, these boards have various inputs and outputs to monitor sensors and control actuators. They’re smaller than other development boards, so they save space in your setup—while still having the same basic functions. Solder components directly to these boards for permanent or long-term installations. Attach headers for quick connections as you prototype. The operating voltage should support the other devices you’re configuring and connecting them to.

Arduino Boards


Development Board	Programming Modules	Circuit Board Headers	Cords

Programming Modules—To program, attach a header to the board and connect the programming module (each sold separately). Connect the module to your computer using a USB cord (sold separately) and transfer your code. Once the board has been programmed, the module can be removed.

Development Boards										Programming Modules		Circuit Board Headers		Cords
		No. of Configurable Inputs/Output						Development Board Without Headers
Mfr. Model No.	Operating Voltage, V DC	Total	Digital (Input/Output)	PWM (Output)	Analog (Input)	Lg.	Wd.		Each		Each		Each		Each
Pro Mini 328 5V	5	22	22/22	6	8	1 1/8"	11/16"	4001N11	000000	4003N11	000000	4002N14	00000	4974T32	00000
Pro Mini 328 3.3V	3.3	22	22/22	6	8	1 1/8"	11/16"	4001N12	00000	4003N12	00000	4002N14	0000	4974T32	0000

Development Board Kits

All the hardware and components needed to start building simple automation systems. With configurable inputs and outputs, the boards in these kits are often used to prototype electronics. Monitor both digital and analog devices, including proximity and temperature sensors, and control basic outputs, such as changing the speed of a servomotor or turning LEDs on and off. Their open-source software makes programming and troubleshooting convenient. Kits include an instructional project book, making them good for learning the basics of coding and electronics.

					No. of Configurable Inputs/Output
Mfr. Model No.	No. of Pieces	Includes	Operating Voltage, V DC	Electrical Connection	Total	Digital (Input/Output)	PWM (Output)	Analog (Input)		Each
Uno Starter Kit	215	One Arduino Uno Rev3 One Project Book One 4" Long USB-A to USB Micro B Cord One 36-Pin Male/Female Header One Breadboard One Wooden Base One DC Motor One Servomotor One Motor Driver One Temperature Sensor One Tilt Sensor One Optocoupler One Piezo Buzzer One LCD One 9V Battery Snap Connector Two Transistors Three Potentiometers Three Clear Films Five Capacitors Five Diodes Six Phototransistors 10 Push Buttons 29 LEDs 65 Resistors 72 Jumper Wires	5	USB-B	20	20/20	6	6	1387N13	0000000