Table 4.
Summary of low cost DAQs and associated electronic components.
| Components | Model/ Company | Price (USD) | Potential application | Ref |
|---|---|---|---|---|
| Low speed ADC, 10kHz | Arduino Uno | 20∼50 | Oxygen saturation and temperature monitoring | [109] |
| Low-noise amplifiers | LT 1226, Linear Technology | 10∼20 | ||
| Sound card, 16-bit, 48kHz | SiS7012, ASUS | 40∼200 | In-vivo and in-situ plant leaves | [110] |
| Low noise amplifiers | OP37, Analog Devices | 5∼10 | ||
| Microcontroller, 10-bit ADC, 250kHz | AT90S8535, Atmel | 15∼30 | Water vapour measurement | [111] |
| MVC, PRC, DLM, MA, and FPGA | Xilinx Inc. | 50∼300 | Imaging of wire phantom | [112] |
MVC: multiple voltage comparator, PRC: precise rectify circuit, DLM: delay line module, MA: multiway adder, FPGA: field programmable gate array.