Ingredients
1. power up --> 4.5V bridge with 2N2222 transistor
2. up (connect) --> 3.3V bridge w/ 2N2222
3. down (connect) --> mechanical relay (5V) to gnd toggle
4. lower button (level) --> 3.3V bridge w/ 2N2222
5. upper button (launch) --> 3.3V bridge w/ 2N2222
6. upper button (land)


Source
?p=drone_hat
TVShow (227) 'CSA'
TVShow (228) 'APT'
TVProgram (83) 'BXT'
Miter Update(s)
Shim (Dictation)