ESU 201
Environmental Sensor Unit
Device Description
ESU 201 is an advanced environmental sensor which is also equipped with Infra Red (IR) controller for split-type Air Conditioners. Thanks to its flexible design, ESU 201 has a learning mode which enables the device to be used with almost all split-type ACs. In addition, it has low power bluetooth communication protocol, therefore it can be controlled via any device that has bluetooth technology.
| Device Specifications | |
| Nominal Supply Voltage | USB or 5VDC Power Jack or AAA Size battery |
| CPU | ARM Cortex-M4 32 Bit 64 Mhz |
| Flash | 512 kB |
| RAM | 64 kB |
| Watchdog Timer | System Reset / 5 sec |
| Power Consumption | 0.04W 5VDC |
| Internal Temperature Sensor | Temperature Range: -20 to 120 °C |
| Internal Humidity Sensor | Humidity Range: 0 to 100% RH |
| Infrared Transmitter Output Power | 160mW |
| Internal Carbon Dioxide Sensor | 0-5000 ppm %3 Accuracy |
| Infrared Transmitter Output Wavelength | 940nm |
| Infrared Transmitter Carrier Frequency | 38kHz |
| Infrared Receiver Input Frequency | 38kHz |
| Bluetooth Specifications | |
| Bluetooth Protocols | BLE v5.0 |
| Frequency Range | 2.4 GHz |
| RF Certification | SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC) |
| Bluethooth MESH Support | Yes |