diff options
| author | Dmitry V. Sokolov <ha@haqr.eu> | 2020-02-19 19:25:24 +0300 |
|---|---|---|
| committer | Dmitry V. Sokolov <ha@haqr.eu> | 2020-02-19 19:25:24 +0300 |
| commit | 99a852708929a8c9f6353938b38308c67326faf5 (patch) | |
| tree | 32be2be13a567c92d6523b809d14229779daf9e7 | |
| parent | 6f12f59acf8af952c2812928f98aa831dbf312db (diff) | |
power option warning
| -rw-r--r-- | README.md | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -55,6 +55,10 @@ I recommend to solder the bare minimum to power up the processor, and to flash i  +**N.B. ATMega8A datasheet specifies its operating voltage at 2.7-5.5V and absolute maximum 6V rating. +A safe option is to power Penny with 4 NiMH 1.2V rechargeable batteries, but I tried with 4 standard alcaline batteries (6.4V) in total and it did not fry the robot. +If you are going this way, I did warn you. It is at your own risk!** + ### The proximity sensor Penny has two eyes, each one is composed of an infrared LED and a corresponding phototransistor. The LED emits infrared light; this light propagates through the air and once it hits an object it is reflected back towards the phototransistor. |