1 1-Day Project: Build Your Own Arduino Uno for $5
Julian Ilett builds a standalone ATmega328P Arduino for about five dollars, a common starting point for people making their own Arduino-compatible boards.
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Julian Ilett
15 recommended videos. Channel on YouTube
2 Review: 1W 350mA LED Driver with the elusive 6200 Chip
Linked when a cheap constant current LED driver module comes up, mainly for its demonstration of the module's PWM dimming input.
3 Practical MOSFET Tutorial #1 - Introduction and Scope
A brief beginner-level MOSFET video, part of a longer series, suggested to Arduino users whose transistor switches run hot or refuse to turn fully on.
4 Arduino USB-to-Serial Tutorial - Programming the Pro Mini
A comparison of three USB to serial adapters that people point to when programming a Pro Mini or bare clone board without onboard USB.
5 1-Day Project: Arduino and nRF24L01+ Data Transceiver
A short introduction to the nRF24L01 radio module that gets suggested when someone wants cheap wireless links between Arduinos.
6 Ridiculously Cheap Voltage Regulator Board uses LM2596 SMPS Chip
An introduction to cheap LM2596 step-down converter modules, linked for anyone wanting to understand what these boards do before buying one.
7 New TP4056 Lithium Cell Charger Module with Battery Protection
Julian Ilett examines the TP4056 lithium charger module with DW01A protection; cited for its fixed cut-off voltage and for using the output while charging.
8 Practical MOSFET Tutorial
A six part MOSFET tutorial series by Julian Ilett, suggested as a gentle introduction to how these transistors switch loads in Arduino and hobby circuits.
9 1-Day Project: Arduino Uno and I2C OLED Display Challenge
A practical guide to wiring a small I2C OLED to an Arduino, including a warning about setting the display address correctly.
10 Arduino PWM Tutorial #2 - How to Set PWM Frequency Accurately
A frequently cited explanation of changing Arduino PWM frequency with a dedicated library, the second part of a PWM tutorial series.
11 Charging a Lithium 18650 Cell using the TP4056
Walkthrough of the TP4056 lithium charger module in use, cited for showing battery connection and charge behaviour on an older board revision.
12 Review: 4-cell/6-cell 18650 USB Mobile Power Banks #1
Apparently a review of a multi cell lithium power bank, linked in discussions about charging and combining cells, with no opinions given on the video itself.
13 Update: Mystery Two Pin RGB LED - Pulse Controlled
Julian's follow-up on two-pin colour-changing LEDs, explaining how the tiny built-in chip is pulsed to switch colours, relevant to Christmas light strings.
14 Practical MOSFET Tutorial #4 - N Channel, High Side and Bootstrapping
Recommended as a tutorial on bootstrapping the gate so an N-channel MOSFET can switch the high side of a circuit.
15 First Look: RC522 RFID Reader/Writer ($4 on eBay)
A detailed look at the RC522 RFID reader module and how to use it with an Arduino, praised as a clear explanation of a fiddly part.
