smôl Header Hookup Guide

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Contributors: PaulZC
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Introduction

smôl is a new board format and, as the name suggests, they're really small!

smôl Header

smôl Header

SPX-18620
$2.95

Need to do some prototyping with smôl? Or want to connect your smôl stack to a Qwiic board or your favorite SPI sensor? The smôl Header is the perfect solution!

Required Materials

If you want to connect a Qwiic board to your smôl stack, you're going to need some Qwiic cables:

SparkFun Qwiic Cable Kit

SparkFun Qwiic Cable Kit

KIT-15081
$8.95
21
Qwiic Cable - 50mm

Qwiic Cable - 50mm

PRT-14426
$0.95
Flexible Qwiic Cable - Female Jumper (4-pin)

Flexible Qwiic Cable - Female Jumper (4-pin)

CAB-17261
$1.50
Qwiic Cable - Breadboard Jumper (4-pin)

Qwiic Cable - Breadboard Jumper (4-pin)

PRT-14425
$1.50

If you're prototyping with smôl, you may need:

Break Away Headers - Straight

Break Away Headers - Straight

PRT-00116
$1.75
20
Breadboard - Classic

Breadboard - Classic

PRT-00112
$10.95
19
Jumper Wires Premium 6" M/M Pack of 10

Jumper Wires Premium 6" M/M Pack of 10

PRT-08431
$4.50
2
Breadboard - Mini Modular (Red)

Breadboard - Mini Modular (Red)

PRT-12044
$4.50

The Header is part of the smôl ecosystem. Why not pair it with one of the smôl Processor Boards?

smôl ESP32

SPX-18619
1 Retired













To be able to reduce the sleep current below 10µA, you're going to want to pair the ESP32 with one of our intelligent smôl Power Boards:

smôl Power Board LiPo

smôl Power Board LiPo

SPX-18622
$17.95
smôl Power Board AAA

smôl Power Board AAA

SPX-18621
$17.95

Don't forget that you will need Flexible Printed Circuits to connect your smôl boards together. You're going to need one FPC per board. Our 36mm FPC is the perfect length if you want the smôl boards to stack neatly, one on top of the other.

smôl 36mm 16-way Flexible Printed Circuit

CAB-18731
Retired















Suggested Reading

This is the hookup guide for the smôl Header. Click the button below if you want to find out more about smôl itself.

We recommend taking a look through the following tutorials if you are not familiar with the concepts covered in them:

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

I2C

An introduction to I2C, one of the main embedded communications protocols in use today.