功能概要
采用瑞萨RL78 CPU内核的低功耗MCU R7F0C002（主板），该MCU在同类产品中实现了以最低功耗实现高处理性能，同时内置了液晶显示屏(LCD)驱动器；
及瑞萨RL78 CPU内核的低成本小型封装MCU R7F0C805（从板）。
系统实时监测室内CO2浓度，并根据室内CO2含量浓度自动控制通风排风扇的启停来维持良好的室内空气品质。
4位通用LCD面板，实时显示测量结果，用户可以设置CO2报警值。
使用无线连接的主从板设计方便用户进行通风风扇的布线。
实物照片：
BOM
| R7F0C807 BLDC电机控制板#1 (从板) |
| Description |
Comment |
Designator |
Footprint |
Quantity |
| Polarity capacitor |
100uF/50V |
C1, C2, C7 |
100UF/50V |
3 |
| Capacitor 0805 |
0.1uF |
C3, C4, C5, C6, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23 |
0805 |
19 |
| Polarity capacitor |
68uF/25V |
C8, C24 |
68UF/16V |
2 |
| Header, 8-Pin |
Header 8 |
CN1 |
CON_MOTOT |
1 |
| Default Diode 1206 |
1N4007 |
D1 |
1N4007 |
1 |
| Protect Diode |
GF1A |
D2 |
GF1A |
1 |
| Default Diode 4148 |
IN4148 |
D3, D4 |
SOD-323 |
2 |
| Default Diode 0805 |
HER103 |
D5, D6, D7 |
DO-214AA |
3 |
| E1 head |
E1 |
J1 |
IDC14-E1 |
1 |
| POWER_JACK |
POWER_JACK |
J2 |
Power |
1 |
| EZ-CUBE head |
EZ-CUBE |
J3 |
IDC8-EZ-Cube |
1 |
| LED 0805 |
Power |
Power |
0805-LED |
1 |
| HEXFET Power MOSFET |
IRF7313 |
Q1 |
SO-G8/Y2.2 |
1 |
| Resistor |
1K |
R1, R4, R8 |
0805 |
3 |
| Resistor |
10 |
R2, R9 |
0805 |
2 |
| Resistor |
27K |
R3 |
0805 |
1 |
| Resistor |
3K |
R5, R11 |
0805 |
2 |
| Resistor |
10K |
R6, R10, R14, R18, R24, R25, R26 |
0805 |
7 |
| Resistor |
0 |
R7, R13, R19, R20 |
0805 |
4 |
| Resistor |
56 |
R12, R17, R22 |
0805 |
3 |
| Potentiometer |
RPot1 |
R15 |
RES3 |
1 |
| Resistor |
20 |
R16, R21, R23 |
0805 |
3 |
| Resistor |
4.7K |
R27 |
0805 |
1 |
| Resistor |
0.56/1W |
R28 |
2512 |
1 |
| Resistor |
3.6k |
R29 |
0805 |
1 |
| Test Point 1pin Thu-hole |
Mode |
T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24, T25, T26 |
Test_Point1 |
26 |
| Voltage regulators |
LM7805 |
U1 |
TO220H |
1 |
| Dual Low-Power Operational Amplifier |
LM358N |
U2 |
SO-G8 |
1 |
| Power driver |
FSB50325 |
U3 |
FSB50325 |
1 |
| Dual Comparator |
LM393N |
U4 |
SO-G8 |
1 |
| 433MHZ receiver |
E31-TTL-50 |
U5 |
E31-TTL-50 |
1 |
| Renesas MCU |
R7F0C80762ESP |
U6 |
TSSOP20 |
1 |
| Hex Schmitt-Trigger Inverter |
SN74HC14N |
U7 |
SO-G14/E2 |
1 |
| Quadruple 2-Input Positive- NAND Gate with Open-Drain Outputs |
SN74HC03D |
U8 |
SO-G14/E2 |
1 |
| 板 #2 (主板) |
| Capacitor |
0.47uF |
C7, C13, C14, C16, C17 |
0805 |
5 |
| Capacitor |
22pF |
C12, C15 |
0805 |
2 |
| Capacitor |
0.1uF |
C1, C4, C5, C6, C8, C9, C10, C11 |
0805 |
8 |
| Polarity capacitor |
68uF |
C2, C3 |
0805 |
2 |
| Diode |
IN4001 |
D3 |
1206 |
1 |
| Protect Diode |
GF1A |
D1 |
GF1A |
1 |
| Buzzer |
SD1209T3 |
Buzzer |
Buzzer |
1 |
| PowerJack |
PowerJack |
J1 |
POWER_JACK |
2 |
| EZ-CUBE Head |
EZ-CUBE |
J2 |
EZ-Cube |
1 |
| E1 Head |
E1 |
J3 |
E8 |
1 |
| NPN |
N0801S |
Q1 |
SOT-23 |
1 |
| Resistor |
4.7K |
R1, R4,R10, R11, R12 |
0805 |
5 |
| Resistor |
0 |
R2, R3, R5 |
0805 |
3 |
| Resistor |
1K |
R6,R7 |
0805 |
2 |
| Resistor |
10K |
R8,R9 |
0805 |
2 |
| SWITCH |
SWITCH |
SW1, SW2, SW3 |
Switch 6*6 SMT |
3 |
| Test Point |
Test Point |
T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16 |
TestPoint1 |
16 |
| Zener Diode |
SL05T1G |
D2 |
SOT-23 |
1 |
| Voltage regulators |
LM7805 |
U1 |
TO220H |
1 |
| 5V 433MHZ Transmit |
E31-TTL-50 model |
U6 |
E31-TTL-50 |
1 |
| Senseair S8 004-0-0013 |
CO2 detector |
U3 |
S8-004 |
1 |
| LCD_TN_15PIN 2.54MM |
LCD |
U4 |
LCD_TN_15PIN 2.54MM |
1 |
| Renesas MCU |
R7F0C002G2DFB |
U5 |
LQFP48 |
1 |
| Crystal Oscillator |
32.768KHz |
XT1 |
XTAL2 |
1 |
| DUAL Channel Multiplexers |
SN74LV4052APW |
U7 |
SSOP-16 |
1 |
注意：从板(#1)上缺Power driver (FSB50325) ；
主板 (#2)上缺Senseair S8 004-0-0013 (CO2 传感器) 和 LCD（TN_15PIN 2.54MM）。
概要、用户手册、原理图、PCB、BOM、源码 下载链接