Walter Ribbert (5)

| It may seem unbelievable, but in the midst of the microcontroller era, taper battery chargers are still on the market. They are basic, very...

| In the previous installment, we described how a taper battery charger works and how to protect it. In this second part, we’ll see how to add...

| Sometimes it is useful to have a variable resistor that can be controlled via a microcontroller, even if the adjustment resolution is not ve...

| Making your own PCBs can imply a lot of drilling. To obtain the best results, besides using sharp drill bits, a constant drill speed is reco...

| With the accurate readings of a DS18B20 1-Wire sensor, this project will not just show your exact room temperature, but also train you to re...