The TSOP family of IR receivers comes in different varieties, mainly based on the IR frequency that they can detect. Two of the most commonly used IR receivers are TSOP1738 and TSOP1838; both are sensitive to 38 KHz. They have all of the required internal circuitry to receive IR signals of 38 KHz. In this section, we will use an ordinary universal remote control and receive its transmitted signals using the TSOP1738 and TSOP1838.
Figure 7: TSOP1738/TSOP1838 pinout
The TSOP IR receivers shown in the preceding figure typically have a protruding front face. This protruding face of the IR receiver should ...
