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| author | Sadeep Madurange <sadeep@asciimx.com> | 2025-06-10 16:11:31 +0800 |
|---|---|---|
| committer | Sadeep Madurange <sadeep@asciimx.com> | 2025-06-10 16:11:31 +0800 |
| commit | e636b3d8bf8b3400e9b2eec57fbf416fd7c31806 (patch) | |
| tree | f8f35b7cc97a4a150bbc6907ca6b0ad194934a11 /README.txt | |
| parent | 509b49e441f7cdc5213c46a1337143cf2230c69d (diff) | |
| download | fpm-door-lock-e636b3d8bf8b3400e9b2eec57fbf416fd7c31806.tar.gz | |
Battery check and readme.
Diffstat (limited to 'README.txt')
| -rw-r--r-- | README.txt | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -1,5 +1,7 @@ CURRENT MEASUREMENTS +Inidividual parts: + R503 FPM: When VCC is connected to a 3.31V supply, FPM draws 13.8mA of quiescent current. When @@ -9,7 +11,6 @@ ATmega328P: MOSFET: - FS5106B high-torque servo: One of them draws 6.1mA when connected and stabilizes at 4.6mA. The other drew @@ -23,12 +24,21 @@ TARGET CURRENT DRAW 3. 900uA for 3 months 3. 694uA for 4 months +LINEAR REGULATORS + + 1. When the ATmega328P is in normal mode, the MCU + FPM + Servo + linear + regulators draw 30.6mA of quiescent current at 5.07V. + 2. When the ATmega328P is in power down mode, the MCU + FPM + Servo + linear + regulators draw 26.2mA of quiescent current at 5.07V. + 3. When the ATmega328P is in power down mode, the MCU + linear regulators draw + 13.7mA of quiescent current at 5.07V (without MOSFETS). + +BOOST CONVERTER + + + REMARKS 1. Can't use 3.3V FPM modules with Arduino Uno. The RX and TX lines have resistors. - 2. When the ATmega328P is in normal mode, the MCU + FPM + Servo + linear - regulators draw 30.6mA of quiescent current at 5.07V. - 3. When the ATmega328P is in power down mode, the MCU + FPM + Servo + linear - regulators draw 26.0mA of quiescent current at 5.07V. |