1. Specification:
. Ear Thermometer is 32℃ ~ 43℃.
Temperature thermo is 0℃ ~ 99℃.
. ℃/℉ switch function.
. 10 Times memory.
. Alarm buzzer.
. Auto power-off function.
. Low battery auto detection.
2. Component list
BT1 ------------ Battery 3V
BZ1 ------------ Buzzer
C1,C2 ---------- 0603 12p 16V NPO
C3 ------------- 0805 10uF 16V Y5V
C4,C5 ---------- 0603 1uF 16V Y5V
C6 ------------- 0603 47nF 16V NPO
C7,C8,C9,C10 --- 0603 1nF 16V NPO
D1 ------------- LED(BackLight)
KEY1 ----------- Rubber Key
KEY2 ----------- Tag-Switch
R1,R2 ---------- 0603 10K 5%
R3,R6 ---------- 0603 100K 1%
R4,R7 ---------- 0603 100R 1%
R5 ------------- 0603 151K 1%
SENSOR --------- Thermopile sensor
U1 ------------- MCU
U2 ------------- EEPROM 24A02
U3 ------------- LCD
Y1 ------------- 4MHz Crystal
