From e636b3d8bf8b3400e9b2eec57fbf416fd7c31806 Mon Sep 17 00:00:00 2001 From: Sadeep Madurange Date: Tue, 10 Jun 2025 16:11:31 +0800 Subject: Battery check and readme. --- README.txt | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) (limited to 'README.txt') diff --git a/README.txt b/README.txt index 1449783..501c565 100644 --- a/README.txt +++ b/README.txt @@ -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. -- cgit v1.2.3