Muppet 2 live
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Muppet 2 and general questions and answers
Let’s build a synchronous buck converter
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com The synchronous buck converter works! Arduino code: void setup() { TCCR1A =…
Buck converter: diode type vs. efficiency
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Trying a selection of different diode types in a buck converter and…
Julian’s postbag: #119 – power connectors
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com eBay links: 10Pcs 5.5 x 2.1mm 12 V DC Power Supply Jack…
Speed test: sharp pc817 versus nec 2501 optoisolators
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Is the NEC2501 opto any quicker than the low cost Sharp PC817?
Muppet 2 progress mit blinkenlights
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com All your favourites: supercapacitors, flashing LEDs, solar panel as well as the…
Big clock live
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Loskii HC-28 Clock on Banggood.com - https://bit.ly/2rUGARW Teardown and chat
Pwm5 on the oscilloscope – pulse width modulation
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Watch it modulate!
Pwm5 final assembly – high side driver circuitry
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Fitting the last few components to the PWM5 solar charge controller gumstick…
Garden solar light supercapacitor downgrade
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Make a garden solar light worse by replacing the battery with a…