Julian’s review: ht-a1 thermal imaging camera
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com The HT-A1 Thermal Imaging Camera: HT-A1 on Banggood: https://ban.ggood.vip/37k5 15% off coupon…
Dc-dc buck converter 2-port usb with qc3.0 from icstation
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Looking at a DC-DC Buck Converter Voltage Regulator DC 9V/12V/24V to DC…
Charging supercapacitors from a lead-acid battery – muppet 2
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Let's give it some AMPS :)
Julian’s postbag: #124 – centre zero ammeters
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com eBay links: DC Minus Zero Plus -5A-0+5A Analog 85C1 Analogue Ammeter AMP…
It works! supercapacitor powered bluetooth speaker
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com The TDA7492P amplifier module works fine on 12 volts. But will it…
Scam! led light bulbs – h4 headlight and bay15d tail/stop
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com I got scammed buying replacement LED light bulbs for my car. OK…
A diode with no cathode – pwm5 femto
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Fitting the transient suppression diode, P6KE33CA, which is an odd thing with…
It works! solar charge controller – pwm5 femto
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Final build phase of my teeny tiny 6-amp solar charge controller for…
Julian’s postbag: #123 – silly piano and other sensible stuff
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com eBay links: 100pcs 0805 SMD Resistor 150 ohm 5% RoHS 150R 151…
Supercapacitor charging with buck boost – muppet 2
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com Using the Muppet 2 breadboard to charge a 16.2V supercapacitor bank from…